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yulyashka [42]
2 years ago
5

The table shows the boiling points of fluorine, chlorine and bromine.

Chemistry
2 answers:
bearhunter [10]2 years ago
8 0

Explanation:

the chemicals are group 7 elements and one of their characteristics is that the melting and boiling point increase progressively

Bingel [31]2 years ago
5 0
Stop asking I don’t know
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A sample of gas has a volume of 400 liters when its temperature is 20.C and its pressure
ikadub [295]

Answer:

V₂ = 145.35 L

Explanation:

Given data:

Initial volume = 400 L

Initial pressure = 300 mmHg (300/760 =0.39 atm)

Initial temperature = 20 °C (20 +273 = 293 K)

Final temperature = 273 K

Final volume = ?

Final pressure = 1 atm

Solution:

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

P₁V₁/T₁ = P₂V₂/T₂  

V₂ = P₁V₁T₂  /T₁ P₂

V₂ =  0.39 atm × 400 L × 273 K / 293 K × 1 atm

V₂ = 42588 atm.L.K /293 K.atm

V₂ = 145.35 L

5 0
2 years ago
3. Two or more substances that are not
mihalych1998 [28]

Answer:

Its a mixture.

3 0
3 years ago
Choose the BEST answer from the four options A, B, C, or D: Due to which property of LPG are we asked to close the valve of the
Mama L [17]

Answer:

A

Explanation:

We are usually asked to close the valve of the gas cylinder in our various kitchens at home <u>due to the inflammable property of the Liquified Petroleum Gas.</u>

<em>Without closing the valve, the LPG would diffuse into our homes, and any form of spark would cause an explosion and lead to a fire. Lives and properties could be lost in the process.</em>

The correct option is A.

4 0
2 years ago
The closest realm to Asgard, it is home to light elves
Alexxandr [17]
Alfheim

In Norse mythology it means home of Elves and it is known as home to the light elves
6 0
3 years ago
Plz help ASAP it’s dude soon
Alex_Xolod [135]

Answer:

a

Explanation:

6 0
3 years ago
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